Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6CU callsign genealogy
Currently held by BIG CANYON QRP CLUB
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by N6CU's current licensee, walking backwards.
- SHERWOOD, SANDRA LCAgranted 2010-05-28cancelled 2011-04-15
Successor callsigns
Callsigns held now by people who previously held N6CU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6CU, oldest first.
- BIG CANYON QRP CLUB CA1999-03-25 → cancelled 2011-03-26
- SHERWOOD, SANDRA L CA2021-03-09 active